Cyclonic filter for surface maintenance machine
US7662199B2 · kind B2 · utility
9Cited by
23References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2008 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Mar 7, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/55
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter system for a surface maintenance machine having a hopper assembly for receiving brush-thrown debris including a cyclonic separator for separating dust and debris from air drawn through the hopper via vacuum action. The cyclonic separator may include multiple cyclone and may be in fluid communication with the hopper assembly so as to periodically receive dust and debris exiting the filter system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.